[TASK] Update PatternFly to latest release v6.3.0

[jenny-s51]

Certification

• I certify I am an Epic Owner for Kubeflow Notebooks 2.0 and expected to create planning-related issues.

Motivation

Update Patternfly to the latest release, version 6.3.0:
This update includes the newest features, such as component animations, bug fixes, and performance improvements, which will help keep the Notebooks 2.0 UI up-to-date and compatible with the latest changes in Patternfly.

Mock ups

N/A - upgrade to PatternFly package versions only.

Acceptance Criteria

• All PF packages updated to latest versions from 6.3.0 release.
• Animations are enabled
• Integration and unit tests pass